def resolve():
    rate = int(input())
    if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1')

if __name__ == "__main__":
    resolve() def resolve():
    rate = int(input())
    if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1') resolve rate = int(input()) rate int(input()) int input() input if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1') rate < 600 rate 600 print('8') print '8' elif rate < 800:
        print('7')
     rate < 800 rate 800 print('7') print '7' elif rate < 1000:
        print('6')
     rate < 1000 rate 1000 print('6') print '6' elif rate < 1200:
        print('5')
     rate < 1200 rate 1200 print('5') print '5' elif rate < 1400:
        print('4')
     rate < 1400 rate 1400 print('4') print '4' elif rate < 1600:
        print('3')
     rate < 1600 rate 1600 print('3') print '3' elif rate < 1800:
        print('2')
     rate < 1800 rate 1800 print('2') print '2' print('1') print '1' if __name__ == "__main__":
    resolve() __name__ == "__main__" __name__ "__main__" resolve() resolve def resolve():
    rate = int(input())
    if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1') def resolve():
    rate = int(input())
    if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1') resolve
def resolve():
    rate = int(input())
    if rate < 600:
        print('8')
    elif rate < 800:
        print('7')
    elif rate < 1000:
        print('6')
    elif rate < 1200:
        print('5')
    elif rate < 1400:
        print('4')
    elif rate < 1600:
        print('3')
    elif rate < 1800:
        print('2')
    else:
        print('1')

if __name__ == "__main__":
    resolve()